146. Vayalpad

Indian National Congress held the seat; the winning margin narrowed from 39.4% to 12.9%.

Boundaries were redrawn between 1972 and 1978 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 14.6% — it held because the rest of the vote was more divided.
• New challengerJanata Party (JNP) finished second with 39.2% — it did not contest here in 1972.

Written from the constituency figures by a fixed set of rules — no language model.